REAL Success Academy

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Income of academy will be used for progress, prosperity and REAL SUCCESS of the students and promoters of this academy.

13/10/2025

27/09/2025

Answer these questions in comments to participate in contest to win prizes.

27/09/2025

Read these questions and win prizes.

Here are 10 simple Q/A about watts:

1. Q: What is a watt?
A: A watt (W) is the unit of power, which measures the rate of energy transfer.

2. Q: Who is the watt named after?
A: It is named after James Watt, the Scottish inventor who improved the steam engine.

3. Q: How is one watt defined?
A: One watt equals one joule of energy per second (1 W = 1 J/s).

4. Q: What is the formula for power in watts?
A: (Power = Voltage × Current).

5. Q: If a bulb is rated 60 W, what does it mean?
A: It means the bulb consumes 60 joules of energy every second.

6. Q: How many watts are in one kilowatt?
A: 1 kilowatt (kW) = 1000 watts (W).

7. Q: How can you calculate electrical energy consumption?
A: Energy (kWh) = Power (kW) × Time (hours).

8. Q: If a fan uses 100 W for 2 hours, how much energy does it consume?
A: 0.2 kWh (100 W = 0.1 kW, × 2 h = 0.2 kWh).

9. Q: Are higher watt appliances always better?
A: Not always. Higher watt means more power consumption, not necessarily more efficiency.

10. Q: What everyday devices are measured in watts?
A: Bulbs, fans, heaters, microwaves, and almost all electrical applianc

21/09/2025

Here are 10 simple Q&A about Ohm’s Law that can help in understanding the concept clearly:

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1.

Q: What is Ohm’s Law?
A: Ohm’s Law states that the current (I) through a conductor is directly proportional to the voltage (V) across it and inversely proportional to its resistance (R). Formula: V = I × R.

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2.

Q: Who discovered Ohm’s Law?
A: Ohm’s Law was discovered by the German physicist Georg Simon Ohm in 1827.

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3.

Q: What is the mathematical formula of Ohm’s Law?
A: V = I × R, where V = Voltage (Volts), I = Current (Amperes), R = Resistance (Ohms).

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4.

Q: If the resistance increases, what happens to the current (for the same voltage)?
A: The current decreases because current is inversely proportional to resistance.

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5.

Q: A circuit has 12 V supply and 6 Ω resistance. What is the current?
A: Using Ohm’s Law: I = V / R = 12 / 6 = 2 A.

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6.

Q: What are the SI units of V, I, and R?
A: Voltage (V) = Volt (V), Current (I) = Ampere (A), Resistance (R) = Ohm (Ω).

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7.

Q: Why is Ohm’s Law important?
A: It helps to calculate unknown values (V, I, or R) in electrical circuits and is the foundation of electrical engineering.

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8.

Q: Can Ohm’s Law be applied to all materials?
A: No. It only applies to ohmic conductors (like metals) where resistance is constant. Non-ohmic devices (like diodes, transistors, filament lamps) do not follow Ohm’s Law strictly.

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9.

Q: What happens to current if voltage is doubled but resistance remains the same?
A: The current also doubles, since current is directly proportional to voltage.

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10.

Q: If a 3 A current flows through a 10 Ω resistor, what is the voltage across it?
A: V = I × R = 3 × 10 = 30 V.

21/09/2025

Got it 👍 Here are 10 Q&A about Electric Current (I):

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1.

Q: What is electric current?
A: Electric current is the flow of electric charge (usually electrons) through a conductor per unit time.

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2.

Q: What is the symbol for current?
A: The symbol for current is I.

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3.

Q: What is the SI unit of current?
A: The SI unit of current is the ampere (A).

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4.

Q: What is 1 ampere of current?
A: 1 ampere means 1 coulomb of charge passes through a conductor in 1 second.

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5.

Q: What instrument is used to measure current?
A: Current is measured using an ammeter.

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6.

Q: How is current related to voltage and resistance?
A: By Ohm’s Law: I = V / R, where V = voltage, R = resistance.

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7.

Q: What are the two types of electric current?
A: Direct Current (DC) and Alternating Current (AC).

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8.

Q: If 10 coulombs of charge pass through a wire in 5 seconds, what is the current?
A: I = Q / t = 10 / 5 = 2 A.

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9.

Q: Why does current flow in a conductor?
A: Current flows due to the movement of electrons when a potential difference (voltage) is applied.

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10.

Q: What is conventional current vs electron flow?
A: Conventional current flows from positive to negative, while electron flow is actually from negative to positive.